Question: What is wrong with this proof? Proposition: 2 = 1. Proof: Let a = b , then a? = ab a - b2 = ab-b2

What is wrong with this proof? Proposition: 2 = 1. Proof: Let a = b , then a? = ab a - b2 = ab-b2 (a + b)(a - b) = b(a - b) a + b = b b + b = b 1+1 = 1 2 = 1

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

1: [5] Let a, b be positive integers with god(a, b) = 1. (a) [2] Prove that ab - a - b cannot be written as ar + by where r, y are non-negative integers. (b) [3] Prove that for any integer n > ab - a...

Let be the set {,,} and be the set {,}. a. Is a subset of ? b. Is a subset of ? c. What is? d. What is? e. What is? f. What is the power set of ? If set has elements and set has elements, how many...

Problem 1 Find the error on the following proof that 2 = 1. Consider the equation a = b. Multiply both sides by a to obtain a2 = ab. Subtract b2 from both sides to get a2 b2 = ab b2. Now factor each...

mazon.com - Onli... ... LastPass password... Express VPN U Utomik Games Homework-M4T3 Primes Math 1166 Discrete Mathematics 1. [4 points] Is the following True or False: Vm E Z+, is 6m x (2m + 10)...

Find the error in the following proof that 2 = 1. Consider the equation a = b. Multiply both sides by a to obtain a 2 = ab. Subtract b 2 from both sides to get a 2 b 2 = ab b 2 . Now factor each...

Question #1: The author gives several reasons why the blame cast on the EMH for the global financial crisis is unfounded. Which one makes the most sense to you? Why? Which argument do you disagree...

I just need you to finish part b , If you want to know something about that, I will give you the answer for question a and c, because this is so hard (a) lim n f(n)/g(n)= (1+2+3+.+n)^2 =...

What are the implications for corporate financial managers of the EMH as articulated and defended by the author? Frame you answer around implications for issues such as capital raising, dividend...

I need help with a question regarding the attached document, Question: The author proposes several lessons about market efficiency that we can learn from the financial crisis. One is that there are...

3 Systems of differential equations Theorem 3. Any n linearly independent vectors in an n dimensional space V must also span V. That is to say, any n linearly independent vectors in an n dimensional...

The World Society for the Protection of Animals reported that whale watching is more economically significant and sustainable to people and communities than whaling. The global annual whale-watching...

Q.4 In a race competition four teams are participating consisting of 10 members each. As a six sigmaexpert you have been asked to assess the teams if there is any significance difference in...

Securities markets can be divided into primary and secondary markets. When new securities created by the issuer are sold to the public usually with the involvement of an investment bank, the...

what is the last valid host IP address of the second subnet of 1 9 2 . 1 6 8 . 0 . 0 / 1 8 ? A . 1 9 2 . 1 6 8 . 2 5 5 . 2 5 4 B . 1 9 2 . 1 6 8 . 0 . 2 5 4 C . 1 9 2 . 1 6 8 . 1 2 7 . 2 5 4 D . 1 9...

6. Evaluate and explain the following statements: LO2 a. The market system is a profit-and-loss system. b. Competition is the disciplinarian of the market economy.

9. Some large hardware stores such as Home Depot boast of carrying as many as 20,000 different products in each store. What motivated the producers of those individual products to make them and offer...

4. What are the advantages of using capital in the production process? What is meant by the term division of labor? What are the advantages of specialization in the use of human and material...